Better keep ivy cache logic
Better keep ivy cache logic

heroku/heroku-buildpack-scala,yannickdeturck/heroku-buildpack-scala,heroku/heroku-buildpack-scala,agideon/heroku-buildpack-scala,agideon/heroku-buildpack-scala,yannickdeturck/heroku-buildpack-scala,Scalingo/scala-buildpack,Scalingo/scala-buildpack